Wilco performs at the 20th anniversary Farm Aid concert, Sunday, Sept. 18, 2005, at the Tweeter Center, in Tinley Park, Ill. The day-long concert is the culmination of a week of events to benefit family farmers. (AP Photo/Brian Kersey)

Wu-Tang Clan

R. Kelly reaches out to his fans during his performance at the Tennessee Theatre on Tuesday, December 4, 2012 during the Single Ladies Tour. (Saul Young/News Sentinel)

2012 Knoxville News Sentinel

Billy Idol performs Tueseday at the House of Blues, Orlando.

Photo by Mattias Clamer Comedian Daniel Tosh, of Comedy Central's "Tosh.0," will be at the Rose State Performing Arts Theatre April 24 in Midwest City.

Nas performs onstage at the ESPY Awards on Wednesday, July 11, 2012, in Los Angeles. (Photo by John Shearer/Invision/AP)

2012 Invision

Comedian Mike Birbiglia has had several comedy specials, as well as film roles including the lead in 'Sleepwalk With Me,' a movie based on his personal experiences. (NPR.org)

Associated Press file "Weird Al" Yankovic has been nominated for more than a dozen Grammy Awards and he's won three times. It doesn't get old. "It shows that some people still think that Im semi-relevant," he says.

Chris Bradshaw/Special to the Daily News Legendary blues rock band ZZ Top on stage at Germain Arena on Friday, June 15, 2012. Inducted into the Rock and Roll Hall of Fame in 2004, the Texas rock trio has six No. 1 singles and has been a fixture on rock radio for decades. Earlier this month, the group released an EP of new material, Texicali, produced by Rick Rubin; its first new material since 2003. The band opened with "I Thank You." 3 Doors Down and Gretchen Wilson opened the show.

Chris Bradshaw

Preservation Hall Jazz Band

shannon brinkman

Dwight Yoakam thanks the audience after receiving the award as Favorite Traditional Country Artist at the American Society of Young Musicians Benefit Concert & Awards Show, Thursday, June 9, 2005, in West Hollywood, Calif. (AP Photo/Rene Macura)

Pretty Lights plays at The Midland in Kansas City, MO on April 23, 2011. Photo courtesy of Krystle Blackburn/prettylightsmusic.com

FILE - This March 15, 2012 file photo shows musician Jim James in New York. James has picked "Sleep No More" as one of the stops on his tour promoting "Regions of Light and Sound of God," his first full-length solo album. Now approaching its second year, "Sleep No More" has found itself evolving into a music destination in addition to a theatrical one. (AP Photo/Carlo Allegri, file)

Drew Holcomb and the Neighbors (CMT.com)

Jeff The Brotherhood (Jo McCaughey)

Tame Impala

Charli XCX (The Guardian)

Jason Isbell and the 400 at the Fox Theater in Atlanta. (JasonIsbell.com)

Futurebirds (Charleston City Paper)

Lincoln Andrew DeFer

Boys Noize

Lord Huron (vimeo.com)

Glen Hansard

Milo Greene plays an acoustic set in Long Beach, Calif. (KSPC.org)

Gov't Mule, band singers Warren hayes, guitarist

Gaslight Anthem

Diiv plays a set at New York City's Webster Hall. (Impose Magazine)

Japandroids plays a set at Webster Hall in New York City. (Impose Magazine)

Guitarist and vocalist David Longstreth and drummer Brian McOmber perform with their group, the Dirty Projectors, during the Big Ears Festival Saturday, March 27, 2010 at the Tennessee Theatre. (Paul Efird/News Sentinel)

IMAGE DISTRIBUTED FOR PEPSI - Trombone Shorty performs at the Pepsi 5th Quarter in the French Quarter Post Super Bowl Party, on Sunday, Feb. 3, 2013, in New Orleans. (Photo by Jack Dempsey/Invision for Pepsi/AP Images)

The Sheepdogs perform at Olympic Community Hall in Halifax, Nova Scotia. (Randal Tomada)

Two Gallants performs in Paris.

John McLaughlin and the 4th Dimension

Fatoumata Diawara performs in Crozon, France in 2012.

Noam Pikelny & Friends

Lee Fields, of Lee Fields & The Expressions

Mali's singers Amadou Bagayoko, center and Mariam Doumbia, left, known as Amadou and Mariam duo react after receiving the best world music album of the year award for their album "Folila" perform on stage during the 28th Victoires de la Musique annual ceremony, France's top music awards, Friday, Feb. 8, 2013, in Paris, France. (AP Photo/Francois Mori)